Original Honda PCX 125 Clutch Variator Plate Ramp (22131-KWN-900) | 2018-2020

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Designed with precision engineering, this offers unmatched performance and durability.


The Clutch Variator Plate Ramp (22131-KWN-900) is the original backing plate for the primary drive assembly on the Honda PCX 125 (2018-2020). Designed to provide a perfectly smooth surface for the slider pieces, this factory-spec ramp plate ensures your variator expands and contracts without hesitation, maintaining the precise engine RPMs needed for efficient city riding.

Vetted by our Lead Engineer. Leveraging 30 years of mechanical pedigree, every part is inspected for material density and exact tolerances to ensure a 'Right-First-Time' fit.

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Guaranteed fitment for Honda PCX125 or free returns.

Product Compatibility

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Part Number
  • 22131-KWN-900
Alternative Part Number

_

Model
  • PCX125
Year
  • 2018
  • 2019
  • 2020
MFG
  • Honda

Product Overview

This high-quality Original Clutch Variator Plate Ramp is designed to meet or exceed factory performance standards and is suitable for Honda PCX125 (2018-2020).

The variator plate ramp, also known as the roller guide or ramp plate, sits within the variator assembly and provides the angled surfaces along which the CVT rollers travel as centrifugal force acts on them. The ramp profile precisely controls the rate at which the rollers move outward, directly governing the smoothness and progressiveness of ratio changes across the rev range. Worn or grooved ramp surfaces alter the roller travel path, causing vibration, hesitation, uneven acceleration and premature roller wear. This original replacement is manufactured to original factory specifications, restoring correct roller guidance and smooth, progressive CVT operation.

- Brand New Original Clutch Variator Plate Ramp
- Part Number: 22131-KWN-900
- Original replacement for Honda PCX125 (2018-2020)
- Restores correct roller guidance and controlled, progressive ratio variation
- Precise ramp profile ensures smooth, vibration-free CVT operation
- Resolves vibration, hesitation and uneven acceleration caused by worn ramp surfaces
- Direct fit, no modification required
- Often replaced alongside rollers and variator faces during a full CVT service
- London: Express same-day delivery (2-3 hours)
- Rest of UK: Same-day dispatch on orders before 1 PM (3-4 business days delivery).
- Up to 75% off for B2B Trade Accounts. Independent UK garages, apply now.

• Honda PCX125 owners experiencing vibration or hesitation during acceleration on 2018-2020 models
• Replacing a worn, grooved or damaged variator ramp plate during a CVT rebuild
• Mechanics and workshops carrying out Honda PCX125 CVT servicing or overhauls
• Riders wanting to restore smooth, progressive factory CVT engagement
• Those seeking a guaranteed original replacement

Complete Part Guide

The Clutch Variator Plate Ramp (22131-KWN-900) for the Honda PCX125 2018-2020 is the critical guide component that controls the movement of the roller weights within the front variator. Over time, the internal channels can become "notched" or worn, preventing the rollers from sliding linearly and causing the transmission to "hang" at specific RPMs rather than shifting smoothly. This original Honda replacement features the factory-calibrated ramp angles and surface hardness required to restore crisp throttle response and optimal fuel economy for North London commutes. In stock at Part Hive's London warehouse, order before the 1 PM cutoff for same-day UK dispatch.

We frequently see 2018-2020 models where the transmission feels "notchy" or sluggish, often caused by worn guides on the variator ramp plate. On the Honda PCX-125, the 22131-KWN-900 plate works in tandem with the plastic slide pieces. If the metal "ears" on this plate become sharp or burred, they will shred new sliders within miles. Furthermore, if the plate is warped from overheating, it will cause the roller weights to rattle, leading to a loud "clattering" sound at idle. Fitting this original Honda PCX-125 part ensures a quiet, balanced drivetrain, and in our experience, using the original plate avoids the premature wear on the variator boss and crank splines often caused by out-of-balance low-grade aftermarket plates.

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